Answer:
a10 = 12/7
Step-by-step explanation:
an = a1 + (n-1) d
a10 = 3/7 + ( 10-1) 1/7
a10 = 3/7 + (9) 1/7
a10 = 3/7 + 9/7
a10 = 12/7
Answer:
2 +i
Step-by-step explanation:
-3+6i-(-5-3i)-8i
Distribute the minus sign
-3 +6i +5 +3i -8i
Combine like terms
-3+5 +6i +3i -8i
2 +i
The answer is 90, Because angle D is a 90 degree angle, and 180- 90=90, so the answer is 90.
15 pounds each and 16 watermelons= 240 pounds. (15x16=240)
The time when the two trains reach each other is 1.25 hours
The trains are 68.75 away from the city when they reach each other.